Seneca, OR Weather & Growing Conditions
This Afternoon
49°F
Cloudy
Cloudy. High near 49, with temperatures falling to around 42 in the afternoon. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Cloudy | 5 mph E | 1% |
| Tonight | 21°F | Partly Cloudy | 2 mph NW | 1% |
| Wednesday | 54°F | Sunny | 0 to 3 mph NW | 0% |
| Wednesday Night | 25°F | Mostly Cloudy then Slight Chance Snow Showers | 2 mph SW | 19% |
| Thursday | 48°F | Mostly Sunny | 0 to 5 mph NW | 12% |
| Thursday Night | 22°F | Mostly Clear | 2 mph S | 5% |
| Friday | 52°F | Partly Sunny | 1 to 5 mph S | 5% |
| Friday Night | 25°F | Partly Cloudy | 2 mph SE | 1% |
| Saturday | 57°F | Mostly Sunny | 2 to 10 mph SE | 0% |
| Saturday Night | 28°F | Mostly Cloudy | 6 to 9 mph SE | 0% |
| Sunday | 55°F | Partly Sunny | 2 to 7 mph SW | 6% |
| Sunday Night | 26°F | Mostly Cloudy | 2 mph SE | 6% |
| Monday | 55°F | Partly Sunny | 5 mph S | 8% |
| Monday Night | 26°F | Mostly Cloudy | 2 mph S | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Seneca, OR
Growing season
24 days
Hardiness zone
5b
Explore more for Seneca, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Seneca, Or (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.